docstr: Context manager to handle the lifecycle of pre hooks.
docstr_tok: ["Context","manager","to","handle","the","lifecycle","of","pre","hooks","."]
code: def _manage_pre_hooks(self, task_ids):
      """Context manager to handle the lifecycle of pre hooks."""
      handles = self._register_pre_hooks(task_ids)
      try:
          yield
      finally:
          for handle in handles:
              handle.remove()
  
imports: from contextlib import contextmanager
  from dataclasses import asdict
  from enum import Enum
  from typing import Any
  import torch
  from torch import nn
  from peft.tuners.tuners_utils import BaseTuner, BaseTunerLayer, check_target_module_exists
  from peft.utils import TRANSFORMERS_MODELS_TO_LORA_TARGET_MODULES_MAPPING, ModulesToSaveWrapper
  from .config import PolyConfig
  from .layer import Linear, PolyLayer
label_desc: Use image node_id 15 for calling the PolyModel obj's underlying member method code with example usage: obj._manage_pre_hooks(task_ids) without return types